Music box



FIG. 1 is a front, top and right side perspective view of a music box showing my new design;

FIG. 2 is a front, top and left side perspective view;

FIG. 3 is a rear elevational view;

FIG. 4 is a view like FIG. 1 of another embodiment of a music box showing my new design, which includes a partial simulation of the golden gate bridge;

FIG. 5 is a view like FIG. 2 thereof; and

FIG. 6 is a view like FIG. 3 thereof. 

The ornamental design for a music box, substantially as shown and described. 